If you're shivering from unusually teeth-rattling cold this holiday season, global warming is probably the last thing on your mind. "The local weather conditions people experience likely play a role in what they think about the broader climate," says Utah State University researcher Peter Howe. "Climate change is causing record-breaking heat around the world, but the variability of the climate means that some places are still reaching record-breaking cold. If you're living in a place where there's been more record cold weather than record heat lately, you may doubt reports of climate change."Howe says people's beliefs about climate change are driven by many factors, but a new study in which he participated suggests weather events in your own backyard may be an important influence.